12317071 has 8 divisors (see below), whose sum is σ = 13447280. Its totient is φ = 11212992.

The previous prime is 12317057. The next prime is 12317077. The reversal of 12317071 is 17071321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12317071 - 2⁷ = 12316943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 7438.

It is an arithmetic number, because the mean of its divisors is an integer number (1680910).

Almost surely, 2^12317071 is an apocalyptic number.

12317071 is a deficient number, since it is larger than the sum of its proper divisors (1130209).

12317071 is a wasteful number, since it uses less digits than its factorization.

12317071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 12317071 is about 3509.5684919944. The cubic root of 12317071 is about 230.9417655220.

Adding to 12317071 its reverse (17071321), we get a palindrome (29388392).

The spelling of 12317071 in words is "twelve million, three hundred seventeen thousand, seventy-one".